Holography, Diffeomorphisms, and Scaling Violations in the CMB

Details Holography, Diffeomorphisms, and Scaling Violations in the CMB Holography, Diffeomorphisms, and Scaling Violations in the CMB

2004-02-05

arxiv.org/abs/hep-th/0402050v2

JHEP 0407 (2004) 062

Physics

High Energy Physics

High Energy Physics - Theory

35+1 pages; added reference in the Introduction, corrected typos

Scientific paper

10.1088/1126-6708/2004/07/062

We analyze diffeomorphism invariance in inflationary spacetimes regulated by a boundary at late time. We present the action for quadratic fluctuations in the presence of a boundary, and verify that it is gauge invariant precisely when the correct local counterterms are included. The scaling behavior of bulk correlation functions at the boundary is determined by Callan-Symanzik equations which predict scaling violations in agreement with the standard inflationary predictions for spectral indices of the CMB.

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